reducer 2.0.0

# rustc version
rustc 1.42.0-nightly (1389494ac 2020-01-11)
# docs.rs version
docsrs 0.6.0 (0e182b8 2020-01-08)

# build log
[INFO] running `"docker" "create" "-v" "/home/cratesfyi/workspace/builds/reducer-2.0.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/reducer-2.0.0/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1001" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=-Z unstable-options --resource-suffix -20200111-1.42.0-nightly-1389494ac --static-root-path / --extern-html-root-url derivative=https://docs.rs/derivative/1.0.3 --extern-html-root-url mockall=https://docs.rs/mockall/0.6.0 --extern-html-root-url derive_deref=https://docs.rs/derive_deref/1.1.0 --extern-html-root-url futures=https://docs.rs/futures/0.3.1 --extern-html-root-url pin_project=https://docs.rs/pin-project/0.4.6 --extern-html-root-url proptest=https://docs.rs/proptest/0.9.4 --extern-html-root-url lazy_static=https://docs.rs/lazy_static/1.4.0 --extern-html-root-url criterion=https://docs.rs/criterion/0.3.0" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "3221225472" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--lib" "--no-deps" "--all-features"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7c561d2729cdef1dd677603e3d847cb3d964f865133dca91ea449f3d596baf41
[INFO] running `"docker" "start" "-a" "7c561d2729cdef1dd677603e3d847cb3d964f865133dca91ea449f3d596baf41"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]    Compiling derive_deref v1.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]  Documenting reducer v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.55s
[INFO] running `"docker" "inspect" "7c561d2729cdef1dd677603e3d847cb3d964f865133dca91ea449f3d596baf41"`
[INFO] running `"docker" "rm" "-f" "7c561d2729cdef1dd677603e3d847cb3d964f865133dca91ea449f3d596baf41"`
[INFO] [stdout] 7c561d2729cdef1dd677603e3d847cb3d964f865133dca91ea449f3d596baf41